After being driven for almost an hour, he was taken into a padded cell, where he would remain for several months.

The pupil was taught off-site for two hours, four days a week, by two members of staff led by Mr Hamill - who had earlier described the child as a “little serial killer”, and said he deserved to sit in a room, “a padded cell on his own for the rest of his life”.

A federal lawsuit filed in January alleged two teenage girls held in a county facility were kept in isolation cells for weeks in unsanitary conditions, and one was kept in a padded cell with no toilet.

The other teen said she was kept in isolation for the entire four months she was there, including two of them in a padded cell with no toilet.

The visual expedition begins with the opening credits, which focus on charmingly quilted satin walls that invoke a nursery crossed with a padded cell.